Nebulizer Indicator Locking for Secure Container Replacement
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Solution Overview
Problem
Existing nebulizers face challenges in providing a compact, reliable, and secure operation while allowing easy replacement of containers without requiring replacement of any housing parts, and ensuring intuitive handling and preventing reuse of emptied containers.
Innovation Solution
A nebulizer with an indicator device that locks the container and nebulizer against further use when a predetermined number of uses is reached, allowing replacement of the container without opening the housing, and featuring a compact design with minimized components, including a blocking part that prevents further use by indirectly actuating a locking device upon partial opening of the nebulizer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the housing part is made replaceable together with the container, then the container replacement is simplified, but the device complexity increases due to additional locking and securing mechanisms
Solution Approach 1:
The housing is divided into a main housing and a replaceable housing part that can be detached and reattached. This segmentation allows the container and housing part to be replaced together as a unit, simplifying the replacement process while managing complexity through modular design
Solution Approach 2:
The container and housing part are combined into a single replaceable unit. The housing part includes securing devices that automatically lock the container when the housing part is attached to the main housing, merging the container securing function with the housing structure
2Adaptability or versatility
If the indicator device is integrated into the container, then the indicator device can be replaced with the container, but the device complexity increases due to additional counting and locking mechanisms
Solution Approach 1:
The indicator device is integrated into the container structure, combining the counting function with the container. The indicator device includes a counter mechanism that records the number of uses and a locking mechanism that prevents further use after a predetermined number of uses have been reached
Solution Approach 2:
The indicator device serves multiple functions: it counts the number of uses, indicates the remaining uses to the user, and automatically locks the container when the predetermined number of uses is reached. This multi-functionality reduces the need for separate components
3Device complexity
If the locking device is actuated by partial opening of the nebulizer, then the locking mechanism is simplified, but the reliability decreases due to potential accidental activation
Solution Approach 1:
The locking mechanism is designed to be dynamically actuated by the opening movement of the housing part. As the housing part is partially opened, a cam or lever mechanism automatically engages the locking device, providing a simple yet reliable locking action that prevents accidental activation during normal operation
Data Source
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AI summary
A nebulizer and a container with a fluid for such a nebulizer are proposed. The container comprises an indicator device fixedly mounted on the bottom of the container and the nebulizer comprises a driving part for actuation of the indicator device. When a predetermined number of uses of the container (3) with the nebulizer (1) has been reached or exceeded, a signal element becomes visible on the indicator device. The indicator device stops further use of the container in a locked state when a predetermined number of uses has been reached or exceeded. Then, the nebulizer is partially opened and blocked against further use. After replacement of the container including the indicator device, the nebulizer can be used again.